This is a "Fire King Extra Heavy Mug GLASS刻印 Jadeite". This is a valuable item from the older era of Extra Heavy Mugs. There are some minor scratches here and there, but overall it is in a clean condition and I think it falls into the category of a beautiful item. If you would like to see additional photos, please let me know in the comments. I will respond promptly if photos taken with an iPhone are acceptable. Brand: Fire King Manufacturing Era: 1940s - early 1950s? Country of Manufacture: MADE IN USA < Regarding Purchase > Please understand the following before purchasing. ・As this is a used item and has been stored by a private individual, there may be age-related stains, scratches, scuffs, peeling, and discoloration. Please check the photos carefully. ・The color may differ slightly between the photos and the actual item. ・Cancellations, returns, and claims after purchase are not accepted. ・Immediate purchase is OK. < Regarding Shipping > It will be packed with bubble wrap and shipped anonymously. Thank you for your consideration.